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	xdg-shell: handle serial wrapping overflow
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					 2 changed files with 21 additions and 13 deletions
				
			
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			@ -107,17 +107,13 @@ static void xdg_surface_handle_ack_configure(struct wl_client *client,
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		return;
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	}
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	// First find the ack'ed configure
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	bool found = false;
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	struct wlr_xdg_surface_configure *configure, *tmp;
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	wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
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		if (configure->serial < serial) {
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			wlr_signal_emit_safe(&surface->events.ack_configure, configure);
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			xdg_surface_configure_destroy(configure);
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		} else if (configure->serial == serial) {
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	wl_list_for_each(configure, &surface->configure_list, link) {
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		if (configure->serial == serial) {
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			found = true;
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			break;
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		} else {
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			break;
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		}
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	}
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	if (!found) {
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			@ -126,6 +122,14 @@ static void xdg_surface_handle_ack_configure(struct wl_client *client,
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			"wrong configure serial: %u", serial);
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		return;
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	}
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	// Then remove old configures from the list
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	wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
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		if (configure->serial == serial) {
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			break;
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		}
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		wlr_signal_emit_safe(&surface->events.ack_configure, configure);
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		xdg_surface_configure_destroy(configure);
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	}
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	switch (surface->role) {
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	case WLR_XDG_SURFACE_ROLE_NONE:
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			@ -156,16 +156,13 @@ static void xdg_surface_handle_ack_configure(struct wl_client *client,
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		return;
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	}
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	// First find the ack'ed configure
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	bool found = false;
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	struct wlr_xdg_surface_v6_configure *configure, *tmp;
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	wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
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		if (configure->serial < serial) {
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			xdg_surface_configure_destroy(configure);
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		} else if (configure->serial == serial) {
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	wl_list_for_each(configure, &surface->configure_list, link) {
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		if (configure->serial == serial) {
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			found = true;
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			break;
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		} else {
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			break;
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		}
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	}
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	if (!found) {
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			@ -174,6 +171,13 @@ static void xdg_surface_handle_ack_configure(struct wl_client *client,
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			"wrong configure serial: %u", serial);
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		return;
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	}
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	// Then remove old configures from the list
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	wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) {
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		if (configure->serial == serial) {
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			break;
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		}
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		xdg_surface_configure_destroy(configure);
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	}
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	switch (surface->role) {
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	case WLR_XDG_SURFACE_V6_ROLE_NONE:
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